A '''spiral galaxy''' is a [[galaxy]] consisting of a rotating disk of [[star]]s, [[gas]] and [[dust]] which has a couple of arms that extend outwards from the central bulge.
+
A '''spiral galaxy''' is a [[galaxy]] consisting of a rotating disk of [[star]]s, [[gas]] and [[dust]] which has a number of arms extending outwards from the galactic centre. Some spiral galaxies have a prominent bulge around the centre, while others have a bar crossing the centre with the spiral arms extending from the ends of the bar.
−
A '''spiral galaxy''' is [[Arguments_for_a_recent_creation|evidence of a young universe]], and a theory of [[dark matter]] has been proposed to try to reconcile its spiral pattern with belief in an old universe. Some spiral galaxies have arms that spin in a direction opposite to the wake of the inner spin, further defying [[atheist]]ic theories.
+
Some Creation scientists have argued that spiral galaxies are [[Arguments_for_a_recent_creation|evidence of a young universe]].
−
The [[Milky Way]] is a spiral galaxy.
+
The [[Milky Way]] is a spiral galaxy, as is the [[Andromeda galaxy]], the closest large galaxy to the Milky Way.